CA2842037A1 - Mise en memoire tampon de donnees de prediction dans un codage video - Google Patents

Mise en memoire tampon de donnees de prediction dans un codage video Download PDF

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Publication number
CA2842037A1
CA2842037A1 CA2842037A CA2842037A CA2842037A1 CA 2842037 A1 CA2842037 A1 CA 2842037A1 CA 2842037 A CA2842037 A CA 2842037A CA 2842037 A CA2842037 A CA 2842037A CA 2842037 A1 CA2842037 A1 CA 2842037A1
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Prior art keywords
block
blocks
intra
prediction
lcu
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CA2842037A
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English (en)
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CA2842037C (fr
Inventor
Wei-Jung Chien
Yunfei Zheng
Xianglin Wang
Marta Karczewicz
Liwei Guo
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

Abstract

Dans un exemple, des aspects de la présente invention concernent un procédé de codage de données vidéo qui comprend généralement une étape consistant à déterminer des informations de prédiction relatives à un bloc de données vidéo. Le bloc est situé dans une unité de données vidéo codée et il est positionné sous une rangée supérieure de blocs voisins supérieurs dans l'unité codée. Les informations de prédiction relatives au bloc sont basées sur des informations de prédiction provenant d'un ou plusieurs autres blocs dans l'unité codée, mais elles ne sont pas basées sur des informations de prédiction provenant d'une quelconque rangée de blocs supérieure dans l'unité codée. De plus, le procédé comprend généralement une étape consistant à coder le bloc sur la base des informations de prédiction déterminées.
CA2842037A 2011-07-20 2012-07-17 Mise en memoire tampon de donnees de prediction dans un codage video Active CA2842037C (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201161509933P 2011-07-20 2011-07-20
US61/509,933 2011-07-20
US201161522136P 2011-08-10 2011-08-10
US61/522,136 2011-08-10
US13/550,377 US9699456B2 (en) 2011-07-20 2012-07-16 Buffering prediction data in video coding
US13/550,377 2012-07-16
PCT/US2012/047073 WO2013012867A2 (fr) 2011-07-20 2012-07-17 Mise en mémoire tampon de données de prédiction dans un codage vidéo

Publications (2)

Publication Number Publication Date
CA2842037A1 true CA2842037A1 (fr) 2013-01-24
CA2842037C CA2842037C (fr) 2017-06-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2842037A Active CA2842037C (fr) 2011-07-20 2012-07-17 Mise en memoire tampon de donnees de prediction dans un codage video

Country Status (15)

Country Link
US (1) US9699456B2 (fr)
EP (1) EP2735153A2 (fr)
JP (1) JP5869122B2 (fr)
KR (1) KR101521060B1 (fr)
CN (1) CN103688541B (fr)
AU (1) AU2012284123B2 (fr)
BR (1) BR112014001124A2 (fr)
CA (1) CA2842037C (fr)
IL (1) IL230281B (fr)
MX (1) MX338116B (fr)
MY (1) MY167510A (fr)
RU (1) RU2573744C2 (fr)
TW (1) TWI504237B (fr)
WO (1) WO2013012867A2 (fr)
ZA (1) ZA201401264B (fr)

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Publication number Publication date
US20130022119A1 (en) 2013-01-24
WO2013012867A2 (fr) 2013-01-24
CN103688541B (zh) 2018-10-02
AU2012284123A1 (en) 2014-02-13
KR20140039082A (ko) 2014-03-31
RU2014106273A (ru) 2015-08-27
JP2014525198A (ja) 2014-09-25
MX2014000760A (es) 2014-05-07
AU2012284123B2 (en) 2016-01-14
MY167510A (en) 2018-09-04
EP2735153A2 (fr) 2014-05-28
IL230281B (en) 2018-02-28
ZA201401264B (en) 2021-05-26
RU2573744C2 (ru) 2016-01-27
WO2013012867A3 (fr) 2013-05-16
KR101521060B1 (ko) 2015-05-15
TWI504237B (zh) 2015-10-11
US9699456B2 (en) 2017-07-04
MX338116B (es) 2016-04-01
JP5869122B2 (ja) 2016-02-24
BR112014001124A2 (pt) 2017-02-14
CN103688541A (zh) 2014-03-26
CA2842037C (fr) 2017-06-06
TW201313033A (zh) 2013-03-16

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